It was "full-on erupting" during its flyby of the Sun. The post 3I/ATLAS Spraying Material as It Exits the Solar System ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...

In 2017, something entered our solar system that wasn’t supposed to exist. It moved too fast, accelerated when it should have ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...

When we think of Earth and its neighboring planets orbiting around our common host star, we picture the center of the Solar System as smack in the middle of the Sun. However, that's not entirely true, ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...